JPS5113007B1 - - Google Patents

Info

Publication number
JPS5113007B1
JPS5113007B1 JP41042958A JP4295866A JPS5113007B1 JP S5113007 B1 JPS5113007 B1 JP S5113007B1 JP 41042958 A JP41042958 A JP 41042958A JP 4295866 A JP4295866 A JP 4295866A JP S5113007 B1 JPS5113007 B1 JP S5113007B1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP41042958A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US467841A external-priority patent/US3414894A/en
Application filed filed Critical
Publication of JPS5113007B1 publication Critical patent/JPS5113007B1/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP41042958A 1965-06-29 1966-06-28 Pending JPS5113007B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US46793165A 1965-06-29 1965-06-29
US46793265A 1965-06-29 1965-06-29
US467841A US3414894A (en) 1965-06-29 1965-06-29 Magnetic recording and reproducing of digital information

Publications (1)

Publication Number Publication Date
JPS5113007B1 true JPS5113007B1 (ja) 1976-04-24

Family

ID=27413030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP41042958A Pending JPS5113007B1 (ja) 1965-06-29 1966-06-28

Country Status (5)

Country Link
US (2) US3422425A (ja)
JP (1) JPS5113007B1 (ja)
DE (1) DE1499842C3 (ja)
GB (1) GB1138609A (ja)
SE (1) SE329040B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54149718U (ja) * 1978-04-10 1979-10-18
WO2020058218A1 (en) 2018-09-17 2020-03-26 Yara International Asa Method for removing a contaminant from wastewater from an industrial plant and a system for performing such method

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1482006A (fr) * 1966-02-09 1967-05-26 Labo Cent Telecommunicat Perfectionnements aux procédés de transmission en modulation codée d'impulsions
US3537082A (en) * 1968-04-19 1970-10-27 Rca Corp Decoder for self-clocking digital magnetic recording
JPS5040338B1 (ja) * 1968-12-04 1975-12-23
US3631463A (en) * 1969-03-10 1971-12-28 Sperry Rand Corp Self-clocked encoding scheme
US3623074A (en) * 1969-06-27 1971-11-23 Ibm Digital data recovery by wavelength interpretation
GB1338237A (en) * 1969-12-22 1973-11-21 Union Carbide Corp Hydroformylation process
US3626395A (en) * 1970-05-06 1971-12-07 Burroughs Corp Dual clocking recording and reproducing system for magnetic data
US3697977A (en) * 1970-07-06 1972-10-10 Honeywell Inc Two phase encoder system for three frequency modulation
US3671960A (en) * 1970-07-06 1972-06-20 Honeywell Inc Four phase encoder system for three frequency modulation
US3678503A (en) * 1970-07-06 1972-07-18 Honeywell Inc Two phase encoder system for three frequency modulation
US3656149A (en) * 1970-11-23 1972-04-11 Honeywell Inf Systems Three frequency data separator
US3691553A (en) * 1970-12-01 1972-09-12 Gen Motors Corp Method and apparatus for decoding digital information
US3750121A (en) * 1971-06-18 1973-07-31 Honeywell Inc Address marker encoder in three frequency recording
US3728716A (en) * 1971-07-29 1973-04-17 Rca Corp Digital signal decoder using two reference waves
US3774178A (en) * 1971-08-18 1973-11-20 Int Video Corp Conversion of nrz data to self-clocking data
US3810111A (en) * 1972-12-26 1974-05-07 Ibm Data coding with stable base line for recording and transmitting binary data
US3815122A (en) * 1973-01-02 1974-06-04 Gte Information Syst Inc Data converting apparatus
US3848251A (en) * 1973-07-02 1974-11-12 Ibm Logical circuitry for recovering rpm decoded prm recorded data
IT991746B (it) * 1973-07-13 1975-08-30 Olivetti & Co Spa Sistema per la registrazione di informazioni su un supporto magnetico
FR2246117B1 (ja) * 1973-09-28 1976-05-14 Labo Cent Telecommunicat
US3942124A (en) * 1973-12-26 1976-03-02 Tarczy Hornoch Zoltan Pulse synchronizing apparatus and method
US4034348A (en) * 1976-06-28 1977-07-05 Honeywell Information Systems, Inc. Apparatus, including delay means, for sampling and recovering data recorded by the double transition recording technique
JPH04150612A (ja) * 1990-10-15 1992-05-25 Mitsubishi Electric Corp 半導体集積回路

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807004A (en) * 1951-05-23 1957-09-17 Int Standard Electric Corp Electrical intelligence storage arrangement
GB950133A (en) * 1961-12-22 1964-02-19 Potter Instrument Co Inc Improvements in or relating to high density recording systems
US3235855A (en) * 1961-10-02 1966-02-15 Honeywell Inc Binary magnetic recording apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2937371A (en) * 1955-07-26 1960-05-17 Curtiss Wright Corp Information transfer system
US3047853A (en) * 1958-04-04 1962-07-31 Ibm Signal converter
US3264623A (en) * 1960-05-03 1966-08-02 Potter Instrument Co Inc High density dual track redundant recording system
US3300578A (en) * 1963-06-12 1967-01-24 Bell Telephone Labor Inc Data transmission
DE1252245B (ja) * 1964-02-06

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807004A (en) * 1951-05-23 1957-09-17 Int Standard Electric Corp Electrical intelligence storage arrangement
US3235855A (en) * 1961-10-02 1966-02-15 Honeywell Inc Binary magnetic recording apparatus
GB950133A (en) * 1961-12-22 1964-02-19 Potter Instrument Co Inc Improvements in or relating to high density recording systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54149718U (ja) * 1978-04-10 1979-10-18
WO2020058218A1 (en) 2018-09-17 2020-03-26 Yara International Asa Method for removing a contaminant from wastewater from an industrial plant and a system for performing such method

Also Published As

Publication number Publication date
DE1499842B2 (de) 1973-10-18
DE1499842A1 (de) 1970-04-30
US3422425A (en) 1969-01-14
GB1138609A (en) 1969-01-01
DE1499842C3 (de) 1974-05-09
SE329040B (ja) 1970-09-28
US3452348A (en) 1969-06-24

Similar Documents

Publication Publication Date Title
JPS5113007B1 (ja)
JPS4936949B1 (ja)
JPS4418736Y1 (ja)
JPS4315018Y1 (ja)
JPS4317702Y1 (ja)
JPS4314103Y1 (ja)
JPS4420537Y1 (ja)
JPS437772Y1 (ja)
AU5279364A (ja)
JPS4412995Y1 (ja)
JPS4316137Y1 (ja)
JPS4312063Y1 (ja)
JPS4318092Y1 (ja)
AU3532465A (ja)
BE692079A (ja)
BE663749A (ja)
BE663947A (ja)
BE665237A (ja)
BE661764A (ja)
BE675356A (ja)
AU5791767A (ja)
NL6501477A (ja)
NL6512752A (ja)
NL6611752A (ja)
BE666590A (ja)